The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F COVER PAGE

OMB APPROVAL
OMB Number: 3235-0006
Estimated average burden
hours per response: 23.8

Report for the Calendar Year or Quarter Ended: 09-30-2016
Check here if Amendment    Amendment Number:
This Amendment (Check only one.):    is a restatement.
   adds new holdings entries.
Institutional Investment Manager Filing this Report:
Name: RAINIER INVESTMENT MANAGEMENT LLC
Address: Two Union Square
601 Union St #3525
Seattle, WA  98101
Form 13F File Number: 028-05014

The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form.

Person Signing this Report on Behalf of Reporting Manager:
Name: Lisa Thenell
Title: Chief Compliance Officer
Phone: 206-518-6686
Signature, Place, and Date of Signing:
/s/ Lisa Thenell SeattleWA 11-14-2016
[Signature] [City, State] [Date]
Manning & Napier Group, LLC, which wholly owns Manning & Napier Advisors, LLC (MNA), bought a majority interest in Rainier Investment Management, LLC (Rainier). Manning & Napier Group, LLC serves as a holding company only. It is not registered with the SEC and does not exercise discretion over customer accounts. MNA and Rainier are commonly controlled affiliates that operate independently and do not share investment discretion over accounts that hold 13F securities.
Report Type (Check only one.):
X 13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager are reported in this report.)
   13F NOTICE. (Check here if no holdings reported are in this report, and all holdings are reported by other reporting manager(s).)
   13F COMBINATION REPORT. (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).)
Form 13F Summary Page
Report Summary:
Number of Other Included Managers: 0
Form 13F Information Table Entry Total: 163
Form 13F Information Table Value Total: 1,545,874
(thousands)
List of Other Included Managers:
Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report.
[If there are no entries in this list, state “NONE” and omit the column headings and list entries.]
NONE